Home / 1,112,961.33-1,669,470.75-303,352.40

Finding the Fourth Proportional to 1,112,961.33, 1,669,470.75 and 303,352.40

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Solution

The fourth proportional to 1,112,961.33, 1,669,470.75 and 303,352.40 is: 455,036.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,961.33 : 1,669,470.75 = 303,352.40 : x
  2. Step 2: Convert to fraction form
    1,112,961.33/1,669,470.75 = 303,352.40/x
  3. Step 3: Cross multiply
    1,112,961.33x = 1,669,470.75 × 303,352.40
  4. Step 4: Simplify right side
    1,112,961.33x = 506,437,962,915.98
  5. Step 5: Solve for x
    x = 506,437,962,915.98/1,112,961.33
  6. Step 6: Final answer
    x = 455,036.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.